Gauni, Sabitha, C T.Manimegalai, K Kalimuthu, and M Anjanasree. “Detection of Breathing and Heartrate Using a Simple Vital Radio System”. International Journal of Engineering & Technology 7, no. 2.8 (March 19, 2018): 311–314. Accessed May 1, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/10431.